CN203759412U - Installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold - Google Patents
Installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold Download PDFInfo
- Publication number
- CN203759412U CN203759412U CN201420136042.3U CN201420136042U CN203759412U CN 203759412 U CN203759412 U CN 203759412U CN 201420136042 U CN201420136042 U CN 201420136042U CN 203759412 U CN203759412 U CN 203759412U
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- Prior art keywords
- projection screen
- sliding part
- cold
- contract
- distortion
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Abstract
The utility model discloses an installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold. It features a fixed substrate base with a sliding groove, a sliding component moving along with the sliding groove, a fixing component for fixing a projection screen, and a spring pressing component that adjusts the axial displacement of the fixing component. Since the fixing component of the utility model is not fixedly connected with the sliding component, the axial displacement of the fixing component can be adjusted by the spring pressing component. When a projection screen gets deformed due to the expansion with heat and contraction with cold, the fixing component can still move along in the deformation direction to adjust the actual size of the projection screen, therefore, effectively reducing the deformation of the projection screen. In this manner, the deformation of a projection screen is solved and further, the projection effect and the lifetime of the projection screen are increased and prolonged.
Description
[technical field]
The utility model relates to projection screen to be installed, particularly a kind of solve problem on deformation that projection screen produces because expanding with heat and contract with cold prevent the erecting device of projection screen because expanding with heat and contract with cold and being out of shape.
[background technology]
Projection screen is point soft curtain and hard curtain generally.Soft curtain is generally film material class, its thinner thickness, and material softness, and collapsible, due to soft curtain material softness, when it is installed and used, generally need to tighten screen by foreign object and make it open and flat and come.Hard curtain is generally to process with sheet material one series products, and its thickness is thicker, and material is harder, and has larger tension force and elasticity, is all to flatten or roll transport substantially.No matter be soft curtain or hard curtain, in actual use, it is all installed by hard-wired mode, can not effectively solve the problem of projection screen distortion: (1) is in the time that the environment temperature of use occasion is too high, projection screen is heated and expands, just there will be ripple, bubbling phenomenon, i.e. projection screen distortion, directly affects drop shadow effect and its serviceable life.(2) in the time that the environment temperature of use occasion is too low, fixing because of screen surrounding, projection screen is caught a cold and is shunk, and may projection screen tears or broken, directly affects drop shadow effect and its serviceable life.
[utility model content]
The utility model is intended to address the above problem, and provide one can automatically regulate installation site, and can effectively cushion and regulate the deflection of projection screen, thereby can solve problem that projection screen produces because of distortion prevent the erecting device of projection screen because expanding with heat and contract with cold and being out of shape.
For achieving the above object, the utility model provides a kind of erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent, it is characterized in that, this erecting device comprises fixed pedestal, sliding part, fixture, compression spring component, described fixed pedestal is provided with and supports the chute that sliding part slides along its length, and the length of this fixed pedestal and the length of projection screen or width match; Described sliding part is located in described chute, and can move along chute; Described fixture makes for the installation position, edge of fixing projection screen that projection screen is smooth to be opened, and it is vertically connected on described sliding part; Described compression spring component is located between fixture and sliding part, for automatically regulating the axial displacement of described fixture, thereby makes to produce because expanding with heat and contract with cold while being out of shape when projection screen, and it can automatic buffer adjustment and make projection screen maintenance formation state.
Described fixture is provided with U-shaped clamping part, is provided with in the bottom of U-shaped clamping part the post that is threaded, and this fixture is threaded post by this and is vertically connected on described sliding part.
Described sliding part is T-shaped sliding part, and it is formed by connecting by orthogonal support portion and sliding part, and described sliding part is located in described chute and can be made sliding part move along chute, is provided with the connecting hole of the post that is threaded described in connection on described support portion.
The described post that is threaded is inserted in described connecting hole, and its end extend out to the opposite side of support portion through described connecting hole, thereby makes U-shaped clamping part and the end of the post that is threaded lay respectively at the not homonymy of described sliding part.
Described compression spring component comprises stage clip and stop nut, the end of post is threaded described in described stop nut is sheathed on, described compression spring sleeve is located at being threaded on post between support portion and stop nut, make in the time that projection screen is out of shape, described stage clip can regulate the axial displacement of the post that is threaded automatically, thereby makes projection screen keep formation state.
On described fixed pedestal, be provided with the some chutes that are parallel to each other, described sliding part is selectively located in described chute and is regulated setting height(from bottom).
Described connecting hole forms by a circular pilot hole and with the guide hole that this pilot hole connects, and described guide hole is extended internally by the outward flange of support portion, and described pilot hole is connected with the outward flange of support portion.
Two ends at described stage clip are respectively equipped with pad, and this pad is sheathed on and is threaded on post respectively.
The installation position, edge of described projection screen is inserted between U-shaped clamping part, and affixed by securing member and U-shaped clamping part.
This erecting device also comprises a deckboard, and this deckboard is connected with described fixed pedestal is involutory, and this deckboard masks described sliding part, fixture and compression spring component.
Useful contribution of the present utility model is, it efficiently solves the problems referred to above.The utility model, by fixture and the compression spring component that can automatically regulate displacement are set, cushions by fixture and stage clip the distortion that projection screen produces because expanding with heat and contract with cold.Because fixture is not affixed with sliding part, it can adjust its axial displacement by compression spring component, in the time that projection screen produces distortion because expanding with heat and contract with cold, just can move to adapt to along deformation direction the physical size of projection screen with the affixed fixture of projection screen, thereby can effectively resist the deflection of projection screen, solve the variety of issue that projection screen produces because of distortion.In addition, fixed pedestal of the present utility model is provided with the many chutes that are parallel to each other, and can select as required the chute installing sliding part of corresponding height when installation, thereby can adapt to the installation of the projection screen of various different sizes.Erecting device of the present utility model can meet the installation requirements of different projection screens, and it is applied widely, has simple in structure, easy to use, good looking appearance, the feature such as economical and practical.
[brief description of the drawings]
Fig. 1 is structure cut-open view of the present utility model.
Fig. 2 is perspective view of the present utility model.
Fig. 3 is the structural representation of the utility model sliding part.
Fig. 4 is the vertical view of the utility model sliding part.
Fig. 5 is the structural representation of the utility model fixture.
Fig. 6 is the structural representation of the utility model deckboard.
Fig. 7 is the connection diagram of the utility model fixed pedestal and deckboard.
Fig. 8 is the view of installing and using of the present utility model.
Fig. 9 is the local enlarged diagram of A portion in Fig. 7.
Wherein, fixed pedestal 10, chute 11, sidewall 12, leveling board 13, convex edge 14, sliding part 20, support portion 21, sliding part 22, connecting hole 23, pilot hole 231, guide hole 232, fixture 30, U-shaped clamping part 31, the post 32 that is threaded, compression spring component 40, stage clip 41, stop nut 42, projection screen 50, securing member 60, deckboard 70, the first decorative panel 71, the second decorative panel 72, draw-in groove 73.
[embodiment]
The following example is to further explanation of the present utility model and supplements, the utility model is not constituted any limitation.
As shown in Fig. 1～Fig. 9, of the present utility model prevent projection screen because of expand with heat and contract with cold distortion erecting device comprise fixed pedestal 10, fixture 30, sliding part 20 and compression spring component 40.Described sliding part 20 is located on fixed pedestal 10, and can move along the length direction of fixed pedestal 10.Described fixture 30 is for the installation position of being convenient to of fixing projection screen 50, and it is vertically connected with described sliding part 20.Described compression spring component 40 is located between fixture 30 and sliding part 20, it is for adjusting the displacement of described fixture 30, so that moving with the deformation direction of projection screen 50, fixture 30 adapts to the physical size of projection screen 50, to resist the deflection of projection screen 50.The cardinal principle that erecting device of the present utility model can effectively be resisted projection screen 50 deflections is as follows: described fixture 30 is not completely fixed, it can produce axial displacement along the deformation direction of projection screen 50 under the effect of compression spring component 40, makes projection screen 50 keep formation state automatically to adapt to the actual size of projection screen 50 always.
Specifically, as shown in Figure 1 and Figure 2, described fixed pedestal 10 is for the edge fixed support projection screen 50 from projection screen 50, to form an installation fixed frame suitable with projection screen 50 sizes.Length or the width of the length of described fixed pedestal 10 and projection screen 50 match.For a rectangular projection screen 50, it need use 4 fixed pedestals 10, and these 4 fixed pedestals 10 enclose successively and form an installation fixed frame suitable with projection screen 50 areas, thereby can be used for the edge of fixing projection screen 50.Described fixed pedestal 10 is provided with chute 11, and described chute 11 extends to the other end along its length by one end of fixed pedestal 10.In the present embodiment, on the sidewall 12 of described fixed pedestal, be provided with the some chutes that are parallel to each other 11, it all can be used to the sliding part 20 that installing matches, thereby while making to install, can select corresponding chute 11 to install sliding part 20 according to the difference size of projection screen, to meet the installation requirements of projection screen of various different sizes.The shape of described chute 11 is not limit, and when actual use, can select the sliding part 20 matching with it according to the shape of chute 11.Be provided with the leveling board 13 horizontally outward extending in the bottom of described fixed pedestal 10, this leveling board 13 is one-body molded with the sidewall 12 of fixed pedestal 10, and mutually vertical.Be provided with upwardly extending convex edge 14 at the outward flange of described leveling board 13, this convex edge 14 is perpendicular with leveling board 13, and it is for deckboard described in clamping 70.In the present embodiment, sidewall 12 upper ends of described fixed pedestal 10 are towards the installation side bending of projection screen 50, and the back surface of its upper end-face edge and described projection screen 50 is positioned at same plane, thereby can play a supporting role to projection screen 50, make projection screen 50 more open and more flat.
As shown in Figure 1 and Figure 2, described sliding part 20 is located in described chute 11, and can move along chute 11.As shown in Figure 3, Figure 4, this sliding part 20 is T-shaped sliding part 20, and it is formed by connecting by orthogonal support portion 21 and sliding part 22 one.Described sliding part 22 matches with described chute 11 shapes, and it is located in described chute 11 and can makes sliding part 20 move along chute 11.Described support portion 21 is blocks, and its sidewall horizontal by sliding part 22 stretches out and forms.This support portion 21 is perpendicular with the sidewall 12 of described fixed pedestal 10, is provided with connecting hole 23, for connection fixture 30 in the central authorities of this support portion 21.In the present embodiment, described connecting hole 21 forms by circular pilot hole 231 and with the guide hole 232 that this pilot hole 231 connects.Described guide hole 232 is extended internally by the outward flange of support portion 21, it makes pilot hole 231 be connected with the outward flange of support portion 21, thereby when dismounting, just can fast fixture be slipped into or skid off pilot hole 231 from guide hole 232, to avoid the trouble of repeated disassembled and assembled compression spring component 40, simplify installation procedure.
As shown in Figure 1, described fixture 30 is for the installation position, edge of fixing projection screen 50, and it is provided with U-shaped clamping part 31, is provided with in the bottom of U-shaped clamping part 31 post 32 that is threaded.As shown in Figure 5, in the present embodiment, described U-shaped clamping part 31 with described in post 32 one that are threaded be connected.The length of described U-shaped clamping part 31 is much smaller than length or the width of projection screen 50, so that multiple sliding parts 20 and fixture 30 are installed as required on fixed pedestal 10.Described U-shaped clamping part 31, for affixed projection screen 50, when installation, inserts the edge installation portion of projection screen 50 between U-shaped clamping part 31, then by securing member 60, both is fixed up.Described securing member 60 comprises screw, bolt etc.The described post 32 that is threaded plug with described connecting hole 23 in, its end extend out to the opposite side of support portion 21 through described connecting hole 23, thereby makes U-shaped clamping part 31 and the end of the post 32 that is threaded lay respectively at the not homonymy of described sliding part 20.
As shown in Figure 1, described compression spring component 40 is for adjusting the displacement of fixture 30, and it comprises stop nut 42, stage clip 41 and pad 43.The end of post 32 is threaded described in described stop nut 42 is sheathed on.Described stage clip 41 is sheathed on being threaded on post 32 between support portion 21 and stop nut 42.Described pad 43 is located at respectively the two ends of stage clip 41, and is sheathed on and is threaded on post 32.
As shown in Figure 8, Figure 9, when the utility model is installed and used, first determining projection screen 50 according to the size of projection screen 50 needs the position of supporting, and then on fixed pedestal 10, installs sliding part 20 and the fixture 30 of respective numbers.After fixture 30 installs, the installation position, edge of projection screen 50 is packed between U-shaped clamping part 31, and fixing with securing member 60.Then the fixed pedestal 10 at projection screen 50 4 edges, limit is fixed up successively, make it to link together with projection screen 50.In the time that projection screen 50 deforms because expanding with heat and contract with cold, because fixture 30 is not completely fixed extremely, but form and be connected with sliding part 20 by compression spring component 40, it just can move towards the direction consistent with projection screen 50 deformation directions under the effect of projection screen 50, automatically to adapt to the change in size of projection screen 50, make projection screen 50 keep formation state always, thereby reach the object that effective opposing projection screen 50 is out of shape, solve all problems that projection screen 50 produces because of distortion, to improve drop shadow effect and serviceable life.
In addition, as shown in Figure 1, Figure 7 shows, for promoting the aesthetic property of this erecting device, also can on described fixed pedestal 10, install deckboard 70.In the present embodiment, as shown in Figure 6, this installing cover plate is one-body molded by orthogonal the first decorative panel 71 and the second decorative panel 72.The front side surface of the front edge of described first device plate and described projection screen 50 fits, and sidewall 12 upper ends of itself and described fixed pedestal 10 are supported from the both sides of projection screen 50 respectively, thereby can make projection screen 50 more smooth.The height of the height of described the second decorative panel 72 and described fixed pedestal 10 matches, its bottom is provided with the draw-in groove 73 matching with the convex edge 14 of fixed pedestal 10, by draw-in groove 73 is coordinated with convex edge 14, just described deckboard 70 can be overlapped on fixed pedestal 10, and make sliding part 20, fixture 30 and compression spring component 40 be hidden in the rear side of deckboard 70, to improve cosmetic look.In order to make, deckboard 70 and fixed pedestal are stable to be connected, and available bolt links together deckboard 70 and fixed pedestal 10.
Although the utility model is disclosed by above embodiment, but scope of the present utility model is not limited to this, do not departing under the condition of the utility model design, the similar or equivalent element that above each member can be understood with affiliated technical field personnel is replaced.
Claims (10)
1. prevent the erecting device of projection screen because of the distortion of expanding with heat and contract with cold, it is characterized in that, this erecting device comprises:
Fixed pedestal (10), it is provided with and supports the chute (11) that sliding part (20) slides along its length, and length or the width of the length of this fixed pedestal (10) and projection screen (50) match;
Sliding part (20), it is located in described chute (11), and can be mobile along chute (11);
Fixture (30), makes smooth the opening of projection screen (50) for the installation position, edge of fixing projection screen (50), and it is vertically connected on described sliding part (20);
Compression spring component (40), it is located between fixture (30) and sliding part (20), for automatically regulating the axial displacement of described fixture (30), thereby make to produce when distortion because expanding with heat and contract with cold when projection screen (50), it can automatic buffer adjustment and make projection screen (50) keep formation state.
2. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 1, it is characterized in that, described fixture (30) is provided with U-shaped clamping part (31), be provided with the post that is threaded (32) in the bottom of U-shaped clamping part (31), this fixture (30) is vertically connected on described sliding part (20) by this post that is threaded (32).
3. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 2, it is characterized in that, described sliding part (20) is T-shaped sliding part (20), it is formed by connecting by orthogonal support portion (21) and sliding part (22), described sliding part (22) is located in described chute (11) and can be made sliding part (20) mobile along chute (11), is provided with the connecting hole (23) of post (32) that are threaded described in connection on described support portion (21).
4. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 3, it is characterized in that, the described post that is threaded (32) is inserted in described connecting hole (23), its end extend out to the opposite side of support portion (21) through described connecting hole (23), thereby makes U-shaped clamping part (31) and the end of the post that is threaded (32) lay respectively at the not homonymy of described sliding part (20).
5. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 4, it is characterized in that, described compression spring component (40) comprises stage clip (41) and stop nut (42), the end of post (32) is threaded described in described stop nut (42) is sheathed on, described stage clip (41) is sheathed on the post that is threaded (32) between support portion (21) and stop nut (42), make in the time that projection screen (50) is out of shape, described stage clip (41) can regulate the axial displacement of the post that is threaded (32) automatically, thereby make projection screen (50) keep formation state.
6. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 5, it is characterized in that, on described fixed pedestal (10), be provided with the some chutes that are parallel to each other (11), described sliding part (20) is selectively located in described chute (11) and is regulated setting height(from bottom).
7. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 6, it is characterized in that, described connecting hole (23) forms by a circular pilot hole (231) and with the guide hole (232) that this pilot hole (231) connects, described guide hole (232) is extended internally by the outward flange of support portion (21), and described pilot hole (231) is connected with the outward flange of support portion (21).
8. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 7, is characterized in that, be respectively equipped with pad (43) at the two ends of described stage clip (41), this pad (43) is sheathed on respectively on the post that is threaded (32).
9. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 8, it is characterized in that, the installation position, edge of described projection screen (50) is inserted between U-shaped clamping part (31), and affixed by securing member (60) and U-shaped clamping part (31).
10. the erecting device of projection screen because of the distortion of expanding with heat and contract with cold that prevent as claimed in claim 9, it is characterized in that, this erecting device also comprises a deckboard (70), this deckboard (70) and involutory connection of described fixed pedestal (10), and this deckboard (70) masks described sliding part (20), fixture (30) and compression spring component (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136042.3U CN203759412U (en) | 2014-03-24 | 2014-03-24 | Installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136042.3U CN203759412U (en) | 2014-03-24 | 2014-03-24 | Installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203759412U true CN203759412U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136042.3U Expired - Fee Related CN203759412U (en) | 2014-03-24 | 2014-03-24 | Installing apparatus preventing projection screen from being deformed due to expansion with and contraction with cold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203759412U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101449A1 (en) * | 2014-12-26 | 2016-06-30 | 海信集团有限公司 | Soft screen supporting and adjusting device and projection display device |
| CN107148189A (en) * | 2017-06-28 | 2017-09-08 | 京东方科技集团股份有限公司 | A kind of fastener and its operating method, display device |
| WO2019085257A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳光峰科技股份有限公司 | Fixing device, projection screen, and projection apparatus |
| CN111123637A (en) * | 2020-01-20 | 2020-05-08 | 冉光全 | Anti-glare screen of rear projection large screen display unit |
| WO2021159887A1 (en) * | 2020-02-12 | 2021-08-19 | 深圳光峰科技股份有限公司 | Projection screen device |
| WO2022052866A1 (en) * | 2020-09-08 | 2022-03-17 | 深圳光峰科技股份有限公司 | Curtain fixing structure, mounting support, curtain device and projection display system |
-
2014
- 2014-03-24 CN CN201420136042.3U patent/CN203759412U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101449A1 (en) * | 2014-12-26 | 2016-06-30 | 海信集团有限公司 | Soft screen supporting and adjusting device and projection display device |
| CN105791727A (en) * | 2014-12-26 | 2016-07-20 | 海信集团有限公司 | Soft screen support adjustment device and projection display device |
| CN107148189A (en) * | 2017-06-28 | 2017-09-08 | 京东方科技集团股份有限公司 | A kind of fastener and its operating method, display device |
| WO2019001063A1 (en) * | 2017-06-28 | 2019-01-03 | 京东方科技集团股份有限公司 | Fastening device and operation method thereof, and display panel |
| US11249243B2 (en) | 2017-06-28 | 2022-02-15 | Boe Technology Group Co., Ltd. | Fastening device and method of operating same, and display panel |
| CN107148189B (en) * | 2017-06-28 | 2022-11-04 | 京东方科技集团股份有限公司 | Fastening device, operation method thereof and display device |
| WO2019085257A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳光峰科技股份有限公司 | Fixing device, projection screen, and projection apparatus |
| CN111123637A (en) * | 2020-01-20 | 2020-05-08 | 冉光全 | Anti-glare screen of rear projection large screen display unit |
| WO2021159887A1 (en) * | 2020-02-12 | 2021-08-19 | 深圳光峰科技股份有限公司 | Projection screen device |
| WO2022052866A1 (en) * | 2020-09-08 | 2022-03-17 | 深圳光峰科技股份有限公司 | Curtain fixing structure, mounting support, curtain device and projection display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |